One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,6)(3,7,11,9)(4,12,13,8)(10,15,16,14)(17,18)(19,28)(20,21)(22,29)(23,25)(24,30)(26,31)(27,32)(33,34,40,39)(35,43,37,41)(36,42,47,46)(38,44,45,48)(1,2)(3,9)(4,8)(5,6)(7,11)(10,15)(12,13)(14,16)(17,19,23,30)(18,24,25,28)(20,29,31,27)(21,32,26,22)(33,35,40,37)(34,41,39,43)(36,45,47,38)(42,44,46,48)(2,6)(7,9)(8,12)(14,15)(18,25)(20,31)(24,28)(27,29)(33,36,40,47)(34,42,39,46)(35,45,37,38)(41,44,43,48)(1,2)(3,7)(4,8)(5,6)(9,11)(10,14)(12,13)(15,16)(17,20)(18,26)(19,29)(21,25)(22,24)(23,31)(27,30)(28,32)(33,37,40,35)(34,43,39,41)(36,38,47,45)(42,48,46,44)(1,3)(2,7)(4,10)(5,11)(6,9)(8,14)(12,15)(13,16)(17,21,23,26)(18,20,25,31)(19,22,30,32)(24,27,28,29)(33,38)(34,44)(35,36)(37,47)(39,48)(40,45)(41,46)(42,43)(1,4)(2,8)(3,10)(5,13)(6,12)(7,14)(9,15)(11,16)(17,22)(18,27)(19,21)(20,24)(23,32)(25,29)(26,30)(28,31)(33,39,40,34)(35,43,37,41)(36,46,47,42)(38,44,45,48)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.